RANCHO CUCAMONGA, Calif. , May 03, 2018 (GLOBE NEWSWIRE) -- Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) announced that the Company will release results for its first quarter of 2018 ended March 31, 2018 , after the market closes on Wednesday, May 9, 2018 , and will hold a conference call to

RANCHO CUCAMONGA, Calif. , March 21, 2018 (GLOBE NEWSWIRE) -- Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) announced that on March 20, 2018 , the United States Court for the District of Massachusetts (the “District Court”) entered final judgment in favor of Amphastar in a lawsuit brought by

Reports Net Revenues of $60.4 Million for the Three Months Ended December 31, 2017 RANCHO CUCAMONGA, Calif. , March 12, 2018 (GLOBE NEWSWIRE) -- Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) (“Amphastar” or the “Company”) today reported results for the three months and fiscal year ended December

RANCHO CUCAMONGA, Calif. , March 05, 2018 (GLOBE NEWSWIRE) -- Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) announced that the Company will release results for its fourth quarter of 2017 ended December 31, 2017 , after the market closes on Monday, March 12, 2018 , and will hold a conference call to